Evaporative coolers are very useful in dry and hot climate. Pour a lot of water and run the fan, and get the cool moist breeze. It is a simple device and it is good for what it provides – fresh cool air. For a long time I have been thinking how to compare the evaporativeContinue reading “Evaporative Cooler and Tonnage”
Category Archives: environment
The story of water from two continents: the Amazon River and Lake Baikal
Let us start with two tricky questions. Pause here and take a wild guess. Q1: Suppose the entire Lake Baikal is drained on Russia, how deep a water pool would it create? Q2: Suppose the water flowing in the Amazon river is used to fill an equivalent of Lake Baikal, how much time it wouldContinue reading “The story of water from two continents: the Amazon River and Lake Baikal”
Petroleum to Biofuel: How much land is required
One of the primary uses of petroleum is as fuel. As the average carbon dioxide levels have already gone above 400 ppm and global warming is taking place, there have been many calls to reduce the usage of petroleum by substituting it with renewable energy. Biofuels stand very distinct among all other renewables because theyContinue reading “Petroleum to Biofuel: How much land is required”
An environmental lesson from the Soviet Union
Ships of the desert grazing near deserted ships in Aral Sea desert Baikonur Cosmodrome, Kazakhstan – First ever window to space. Beginning of the space age was one of the greatest achievements of mankind since the dawn of civilization. Many space scientists, explorers and researchers had gone through the arid steppes of this small CentralContinue reading “An environmental lesson from the Soviet Union”
Saurorja 